2.A survey was carried out on the death rate of those who were infected by SARS,___ was surprisng.
2.A survey was carried out on the death rate of those who were infected by SARS,___ was surprisng. A.as result B.which result C.the result of it D.the result of which 答案是:D 为什么不是其他选项?尤其是B? 请详细说明。谢谢!!!